/Engine/Plugins/Runtime/RigVM/Source/RigVMDeveloper/Public/RigVMModel/RigVMPin.h
Returns the parent Pin - or nullptr if the Pin is nested directly below a node.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category=RigVMPin) [URigVMPin](API\Plugins\RigVMDeveloper\RigVMModel\URigVMPin) * GetParentPin() const